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authorJakub Kicinski <kuba@kernel.org>2022-03-18 12:23:44 -0700
committerDavid S. Miller <davem@davemloft.net>2022-03-21 14:11:38 +0000
commit14e426bf1a4d77ac87d0fa2a964092a23f863e44 (patch)
treed4f9bb5b5757380586328e8b6433a8b7fff3da71 /drivers/net/netdevsim
parentaff3a925094633a5b77058b9a715efbb12fc2698 (diff)
devlink: hold the instance lock during eswitch_mode callbacks
Make the devlink core hold the instance lock during eswitch_mode callbacks. Cheat in case of mlx5 (see the cover letter). Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/netdevsim')
-rw-r--r--drivers/net/netdevsim/dev.c16
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c
index 68cd1defe990..57a3ac893792 100644
--- a/drivers/net/netdevsim/dev.c
+++ b/drivers/net/netdevsim/dev.c
@@ -615,22 +615,16 @@ static int nsim_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode,
struct netlink_ext_ack *extack)
{
struct nsim_dev *nsim_dev = devlink_priv(devlink);
- int err = 0;
- devl_lock(devlink);
if (mode == nsim_dev->esw_mode)
- goto unlock;
+ return 0;
if (mode == DEVLINK_ESWITCH_MODE_LEGACY)
- err = nsim_esw_legacy_enable(nsim_dev, extack);
- else if (mode == DEVLINK_ESWITCH_MODE_SWITCHDEV)
- err = nsim_esw_switchdev_enable(nsim_dev, extack);
- else
- err = -EINVAL;
+ return nsim_esw_legacy_enable(nsim_dev, extack);
+ if (mode == DEVLINK_ESWITCH_MODE_SWITCHDEV)
+ return nsim_esw_switchdev_enable(nsim_dev, extack);
-unlock:
- devl_unlock(devlink);
- return err;
+ return -EINVAL;
}
static int nsim_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode)